Finding the Fourth Proportional to 214,978.52, 322,526.10 and 74,748.08

Step by Step Solution

1. Step 1: Write the proportion equation
   214,978.52 : 322,526.10 = 74,748.08 : x
2. Step 2: Convert to fraction form
   214,978.52/322,526.10 = 74,748.08/x
3. Step 3: Cross multiply
   214,978.52x = 322,526.10 × 74,748.08
4. Step 4: Simplify right side
   214,978.52x = 24,108,206,724.89
5. Step 5: Solve for x
   x = 24,108,206,724.89/214,978.52
6. Step 6: Final answer
   x = 112,142.40